The Centers for Disease Controls is a division of the US Department of Health and Human Services

You are treating a patient with suspected spinal injury following an accident. Your initial actions are:

A) primary assessment while maintaining manual cervical stabilization. B) removal from a vehicle to prevent further injury. C) establishing large-bore IVs and treatment for shock. D) secondary assessment.

The operator asks you to prepare a material to line the base of a particularly deep cavity preparation. The best choice of material would be

glass ionomer. calcium hydroxide. zinc phosphate. cavity varnish.